KR101442113B1 - Ceiling type air conditioner - Google Patents

Abstract

 The air conditioner of the present invention comprises: a filter frame installed at an air inlet of an air conditioner; A filter installed in the filter frame to filter foreign substances in the air sucked into the air suction unit; A filter cleaning unit installed to move along the filter and provided with a brush for cleaning a foreign substance of the filter and having a foreign matter space in which the foreign matter cleaned in the filter is contained; A driving mechanism connected to the filter cleaning unit to move the filter cleaning unit; A suction mechanism provided to exert a suction force on the filter cleaning unit when the filter cleaning unit is moved and positioned at a foreign matter suction position; And brush separating means for separating foreign matter of the brush into foreign matter by contacting the brush when the filter cleaning unit is moved and positioned on the opposite side of the foreign object suctioning position so that foreign substances of the brush do not remain in the brush, The brush is detached from the cleaning unit and sucked into the suction unit, so that the brush can be kept clean and the filter cleaning ability is improved compared with the case where the foreign matter is continuously attached to the brush.

  Air conditioner, filter, filter cleaning unit, brush, brush foreign matter separation means

Description

 Ceiling type air conditioner

 The present invention relates to an air conditioner, and more particularly to an air conditioner in which a filter cleaning unit having a brush for cleaning a filter is installed, and a foreign matter adhered to a foreign substance of the brush is shaken into the filter cleaning unit.

 Background Art [0002] Generally, an air conditioner is a device that cools / heats a room using a compressor, a condenser, an expansion mechanism, and an evaporator, and functions to purify the room when a purification unit for purifying the air is installed.

The air conditioner is provided with various kinds of purifying units. In particular, a filter for filtering out foreign substances in the air is detachably installed, so that foreign substances in the air are filtered by the filter during operation of the air conditioner, Remove filter to clean or replace.

Such a filter is required to be cleaned or replaced periodically because it lowers the suction ability of air when there is a large amount of foreign matter. However, it may cause inconvenience to a user during cleaning or replacement work, and the filter may be cleaned or replaced for a long time If the filter cleaning device is installed in the air conditioner and the filter cleaning device itself is used to clean the filter, the convenience of using the air conditioner is increased.

Japanese Unexamined Patent Application Publication No. 11-226331 discloses a method in which a filter brush is moved along a filter to remove dust from the filter and a suction nozzle made separate from the air conditioner during a filter cleaning operation by a user or the like is connected to a filter brush installed in the air conditioner There is disclosed an indoor unit of an air conditioner in which a filter brush cleans a filter by moving a suction nozzle to a suction force.

However, in the air conditioner disclosed in Japanese Laid-Open Patent Publication No. 2000-34886, there is a problem that the suction nozzle must be manually connected to the filter brush for cleaning the filter, and when the height of the ceiling is high, it is difficult to connect the suction nozzle to the filter brush , The cleaning ability of the filter brush is deteriorated due to the foreign matter which is not sucked by the suction nozzle.

On the other hand, in Japanese Patent Laid-Open Publication No. 2001-99479, a band-shaped air filter is disposed between the feeding / winding spools disposed on the upper and lower portions of the indoor unit, A cleaning brush for cleaning the dust adhered to the air filter is provided in the vicinity of the lower end of the air filter, and a dust scraped off by the cleaning brush is collected under the cleaning brush, A dust box is provided in the air filter unit.

However, in the air filter device disclosed in Japanese Patent Application Laid-Open No. 2001-99479, since the air filter is rotated along the feeding axis and the winding axis, a space for rotating the air filter is required and the air filter can not be made compact. Foreign matter in the air filter may be dropped to the outside of the dust box while being rotated along with the dust filter, which may result in a problem of being dirty. Further, since some of the dust scraped off the cleaning brush adheres to the cleaning brush, there is an inconvenience that the cleaning brush must be periodically cleaned to prevent the deterioration of the cleaning ability of the air filter.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an air conditioner in which a filter cleaning unit can be kept clean and a filter cleaning unit is capable of handling foreign substances.

Another object of the present invention is to provide an air conditioner in which frequent foreign matter processing operations are not required.

It is still another object of the present invention to provide an air conditioner in which the air conditioner itself can clean the filter.

According to an aspect of the present invention, there is provided an air conditioner comprising: a filter frame installed at an air inlet of an air conditioner; A filter installed in the filter frame to filter foreign substances in the air sucked into the air suction unit; A filter cleaning unit installed to move along the filter and provided with a brush for cleaning a foreign substance of the filter and having a foreign matter space in which the foreign matter cleaned in the filter is contained; A driving mechanism connected to the filter cleaning unit to move the filter cleaning unit; A suction mechanism provided to exert a suction force on the filter cleaning unit when the filter cleaning unit is moved and positioned at a foreign matter suction position; And brush foreign matter separating means for contacting the brush when the filter cleaning unit is moved and positioned opposite the foreign matter suctioning position to drop foreign matter of the brush into the filter cleaning unit.

The filter frame is formed in a rectangular shape, and a suction mechanism communicating portion communicating with the suction mechanism is formed on one side in the longitudinal direction, and the brush foreign matter separating means is provided on the opposite side of the suction mechanism communicating portion.

The brush is arranged long in a direction orthogonal to the moving direction of the filter cleaning unit, and the foreign matter hulling means includes a plurality of hairy portions formed long in the moving direction of the filter cleaning unit.

The foreign matter hairy means includes a connection portion formed to be elongated in a direction orthogonal to the moving direction of the filter cleaning unit and protruding from the plurality of hairs.

At least one of the filter frame and the filter is provided with a protruding portion protruding so as to shake the foreign substance of the brush.

In the air conditioner of the present invention configured as described above, when the filter cleaning unit is moved to the opposite side of the foreign object suction position, the brush cleaner is brought into contact with the brush to drop the foreign matter of the brush into the filter cleaning unit, So that the brush can be kept clean without foreign matter remaining on the brush and the cleaning ability of the filter by the brush is improved.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an air conditioner according to the present invention.

As shown in Fig. 1, the air conditioner according to the present embodiment includes a case 2 (see Fig. 1) which is disposed inside a ceiling of a room and in which an air conditioning component such as a blower 1, a heat exchanger And a base panel 10 disposed at a lower portion of the case 2 and exposed to the inside of the case 2 and having an air inlet 6 and an air outlet 8.

The case 2 is formed in a substantially rectangular parallelepiped shape.

The base panel 10 is provided with a suction vane 12 for guiding air sucked into the air suction port 6 and opening and closing the air suction port 6 so as to be rotatable and to guide the air sucked into the air discharge port 8, A discharge vane 14 for opening and closing the discharge port 8 is rotatably arranged.

The base panel 10 covers the bottom surface of the case 2 and is formed wider than the case 2, and is formed into a substantially rectangular plate-like shape.

The air inlet 4 and the air outlet 6 of the base panel 10 are elongated in the longitudinal direction of the base panel 10 and are formed in parallel with each other. The suction vane 12 and the discharge vane 14 are formed The center of rotation is arranged in the longitudinal direction of the base panel 10. [

The air conditioner as described above sucks the air in the room when the blower 1 is driven through the air inlet 6 of the base panel 10 and is sucked into the case 2 to be air-conditioned by the air- 10 through the air outlet 8 of the air outlet.

FIG. 2 is a perspective view when the base panel is separated from the case in FIG. 1, and FIG. 3 is a bottom view in which the base panel is separated from the case in FIG.

The case 2 shown in Figs. 2 and 3 has an air intake portion 22 formed above the air intake port 6 of the base panel 10 and an air intake port 22 formed above the air outlet 8 of the base panel 10 The discharge portion 24 is formed.

The case 2 is provided with a purifier 30 for purifying the air sucked into the air suction part 22 in the air suction part 22. [

The purifying mechanism 30 includes a filter frame 32 provided on the air suction portion 22 and a filter 38 provided on the filter frame 32 for filtering foreign substances in the air sucked into the air suction portion 22 do.

The filter frame 32 is located at a lower portion of the air suction portion 22 and is elongated in the longitudinal direction of the case 2.

One of the filters 38 may be formed to be long in a rectangular shape like the filter frame 32, or a plurality of filters 38 may be provided so as to be spaced apart from each other in a rectangular shape of the filter frame 32.

The filter 38 accumulates foreign matter in the air as the air conditioner is operated. The foreign matter is treated by the cleaning device 40 installed in the air conditioner itself.

The cleaning mechanism 40 is for cleaning the filter 38 at a predetermined time interval or when the operation integration time of the air conditioner exceeds the set time or when the user inputs a filter cleaning command or the like. A driving mechanism 50, and a suction mechanism 60.

The filter cleaning unit 42 separates the foreign matter of the filter 38 from the filter 38 while being moved along the filter 38 and receives the separated foreign material from the filter 38 to transfer it to the suction device 60, (38).

The driving mechanism 50 is connected to the filter cleaning unit 42 to move the filter cleaning unit, and is installed in the filter frame 32.

The suction mechanism 60 acts as a suction force to the filter cleaning unit when the filter cleaning unit 42 is moved to be positioned at the foreign matter suction position A shown in FIG. 4, and includes a cleaning blower 62 for generating a suction force A foreign matter storage box 64 connected to the cleaning blower 62 and separated from the air and separated from the air, and a filter cleaning unit 42 disposed at the foreign matter suction position A, And a suction hose 66 that communicates the cleaning unit 42 and the foreign matter storage container 64 so that suction force is applied to the filter cleaning unit 42 when the cleaning blower 62 is driven.

The foreign matter storage box 64 may have a partition wall or the like for forming a U-shaped foreign matter separation passage therein. Alternatively, a separate foreign matter collection network may be provided in which air is passed and foreign matter is caught. It is also possible that the foreign matter and the air are separated by a centrifugal swirling motion.

One end of the suction hose 66 is connected to the dust receptacle 64 and the other end of the suction hose 66 is connected to the suction frame communicating portion 36, which will be described later with reference to FIG.

Fig. 4 is an enlarged perspective view of the filter frame shown in Fig. 3, Fig. 5 is an exploded perspective view in which the filter is separated from the filter frame shown in Fig. 4, Fig. 6 is a cross- 4 is an enlarged perspective view when the filter cleaning unit shown in Fig. 4 is reached to C shown in Fig.

 The filter frame 32 is formed with a filter mounting portion 33 on which the filter 38 is mounted.

The filter frame 32 is provided with cleaning unit guides 34 and 35 for guiding the filter cleaning unit 42 to move in the longitudinal direction of the filter frame 32 while preventing the filter cleaning unit 42 from being detached in the downward direction .

The cleaning unit guides 34 and 35 are disposed in parallel to the moving direction of the filter cleaning unit 42. [

The filter frame 32 has a suction mechanism communicating portion 36 connected to one side of the longitudinal direction of the suction mechanism 60 and particularly to the suction hose 66 so as to communicate with the other end of the suction frame communicating portion 36 Foreign matter adhering to the brush 44 of the filter cleaning unit 42 described later and the foreign matter trapped between the brush 44 and the brush 44 are separated from the brush 44 by the filter cleaning unit 42, A brush foreign substance separating means 39 for dropping into a foreign substance space 46 is provided. The foreign matter separating means 39 will be described later in detail.

The filter cleaning unit 42 is provided with a brush 44 that contacts the filter 38 and removes the foreign matter of the filter 38 from the filter 38 while sweeping out the foreign matter from the filter 38, And has a space 46.

The brush 44 protrudes toward the upper side of the filter cleaning unit 42, and a plurality of brushes 44 are arranged in a direction perpendicular to the moving direction of the filter cleaning unit 42.

The filter cleaning unit 42 is provided with a foreign matter inlet port 47 through which the foreign matter passes on the upper surface so as to allow the foreign matter dropped from the filter 38 to flow into the foreign matter space 46.

The filter cleaning unit 42 is configured to allow the foreign matter separated from the filter 38 to pass through the foreign matter inlet port 47 regardless of the moving direction of the filter cleaning unit 42 when the brush 44 contacts the filter 38, The brush 44 is installed in the center of the foreign matter inlet 47 in the moving direction of the filter cleaning unit 42 so as to be able to fall into the space 46. [

The filter cleaning unit 42 is provided with a roller 48 for guiding the rotation of the filter cleaning unit 42 while rolling along the cleaning unit guides 34 and 35.

The filter cleaning unit 42 is formed to protrude a cleaning unit communication portion 49 which is inserted into and connected to the suction mechanism communication portion 36 when the filter cleaning unit 42 is located at the foreign matter suction position A as shown in FIG.

4, the filter cleaning unit 42 is disposed inside the foreign matter space 46 of the filter cleaning unit 42 when the cleaning unit communication portion 49 is connected to the suction mechanism communication portion 36 When the foreign object is sucked into the suction unit 60 and the brush 44 is in contact with the foreign substance separating means 39 provided on the opposite side of the suction mechanism communicating portion 36, The filter cleaning unit 42 is moved to the foreign object suctioning position A by the drive mechanism 50 during the cleaning operation, And the brush foreign matter separation position C at least once.

That is, the filter cleaning unit 42 is moved from the foreign matter suction position A shown in FIG. 4 to the brush foreign matter separation position C so that the brush 44 contacts the filter 38, The brush 44 comes into contact with the foreign substance separating means 39 and the foreign substance adhering to the brush 44 falls into the foreign substance space 46 when the foreign substance separating position C is reached The foreign matter remaining in the filter 38 is swept into the foreign matter space 46 while being moved again from the foreign matter separation position C toward the foreign matter suction position A again while being in contact with the filter 38 again.

The drive mechanism 50 includes a drive motor 52 disposed on one side of the filter frame 32 in the longitudinal direction thereof and having a rotation axis, a drive pulley 54 connected to the rotation shaft of the drive motor 52 and rotated, A wire belt 58 wound around the driving pulley 54 and the interlocking pulley 56 and rotated in accordance with the rotation of the driving pulley 54 and connected to one side of the filter cleaning unit 42, ).

 The foreign matter separating means 39 includes a plurality of hairy portions 39A which are elongated in the moving direction of the filter cleaning unit 32 and spaced apart from each other in the direction orthogonal to the moving direction of the filter cleaning unit 42 .

The plurality of hairy portions 39A rub against the brushes 44 of the filter cleaning unit 42 when the filter cleaning unit 42 is moved to the brush foreign matter separation position C to remove the foreign substances adhering to the brushes 44 44, and is installed so as to bend the brush 44 or to enter between the brush 44 and the brush 44.

The plurality of hairy portions 39A may be integrally protruded from the front frame 32. Alternatively, the plurality of hairy portions 39A may be formed separately from the front frame 32 and installed in the front frame 32, It is preferable that the filter frame 32 is manufactured separately from the filter frame 32 for convenience of manufacturing and the filter frame 32 is manufactured separately from the front frame 32 and will be described below.

 The foreign matter hairy means 38 includes a connecting portion 39B which is elongated in the direction orthogonal to the moving direction of the filter cleaning unit 42 and in which the plurality of hairy portions 39A are protruded to be spaced apart.

The connecting portion 39B integrally includes a plurality of hairy portions 39A and may be attached to the filter frame 32 by an adhesive or the like on the filter frame 32. The connecting portion 39B may be formed on the filter frame 32, It is also possible to be fitted and mounted.

The connecting portion 39B is mounted on the filter frame 32 such that a plurality of hairy portions 39A are arranged substantially horizontally.

In this embodiment, protrusions 32A and 38A are formed on at least one of the filter frame 32 and the filter 38, in addition to the foreign-matter hull means 38 as described above.

The protrusions 32A and 38A allow the foreign matter hairs to bend the brush 44 like the means 38 or to enter the space between the brush 44 and the brush 44 and to remove the foreign substances adhering to the brush 44 from the brush 44 A plurality of filters are preferably formed in the direction of movement of the filter cleaning unit 42 and will be described below as formed in the filter frame 32 and the filter 38, respectively.

The foreign matter hair means 38 separates the foreign matter of the brush 44 into the foreign matter space 46 while contacting the brush 44 on the same horizontal line as the brush 44. The protrusions 32A, And separates the foreign substance of the brush 44 into the foreign matter space 46 while rubbing against the brush 44 on the same vertical line as the brush 44.

The filter frame 32 is elongated in the direction perpendicular to the moving direction of the filter cleaning unit 42 and the protrusion 32A of the filter frame 32 is formed at the center in the moving direction of the filter cleaning unit 42, And a plurality of filter ribs 32 protruding downward from the ribs of the filter frame 32 are formed continuously in the rib longitudinal direction.

A plurality of filters 38 are provided in the filter frame 32, and a plurality of filters 38 are installed before and after the filter cleaning unit 42 with the ribs of the filter frame 32 interposed therebetween.

The filter 38 is elongated in the direction perpendicular to the moving direction of the filter cleaning unit 42 and the protrusion 38A of the filter 38 is formed at the center in the moving direction of the filter cleaning unit 42, And is formed in a continuous manner in the rib longitudinal direction of the filter 38. As shown in Fig.

Reference numeral 70 denotes a first position detecting sensor for detecting whether the filter cleaning unit 42 is located at the foreign substance suction position A and 72 denotes whether or not the filter cleaning unit 42 is located at the brush foreign matter separation position C The second position sensing sensor.

8 is a control block diagram of an air conditioner according to the present invention.

The air conditioner according to the present embodiment includes an operating unit 80 for operating the air conditioner, a counter 82 for counting the operating time of the air conditioner, and a dust amount sensor 84 and the air conditioner according to the operation of the operating unit 80, the count result of the counter 82, the detection result of the dust amount detection sensor 84, and the detection result of the first and second position detection sensors 70, And a control unit 84 for controlling.

   Hereinafter, the operation of the present invention will be described.

First, the control unit 84 determines whether the filter cleaning command is inputted through the operation unit 80 or the operation integrated time of the air conditioner sensed by the counter 82 is equal to or longer than the set time, If the dust amount of the air conditioner 38 is equal to or higher than the set value, the air conditioner is subjected to filter cleaning operation.

The control unit 84 drives the drive motor 52 of the drive mechanism 50 so that the filter cleaning unit 32 is moved from the foreign substance suction position A to the brush foreign matter separation position C during the filter cleaning operation.

When the drive motor 52 is driven as described above, the filter cleaning unit 42 is moved from the foreign matter suction position A shown in FIG. 4 toward the foreign matter separation position C, The protrusion 32A formed on the filter frame 32 and the protrusion 38A formed on the filter 38 are formed on the brush 44 in contact with the filter 38, The foreign matter adhered to the brush 44 is removed from the brush 44 and moved to the foreign matter space 46.

The filter cleaning unit 42 drops the foreign matter adhering to the brush 44 to the foreign matter space 46 for a total of three times while reaching the brush foreign matter separation position C and reaches the brush foreign matter separation position C, The foreign matter hair portion 39A of the foreign matter separating means 39 enters the space between the brushes 44 and drops residual foreign matter trapped between the brush 44 and the brush 44 into the foreign matter space 46. [

That is, the filter cleaning unit 42 is moved along the filter 38 to remove the foreign substances separated from the filter 38 in the foreign matter space 46, and the foreign substances temporarily adhering to the brush 44 are also removed from the projections 32A, And the foreign matter hairs 39A collect the foreign matter in the foreign matter space 46. [

On the other hand, when the filter cleaning unit 42 reaches the brush foreign matter separation position C, the second position detection sensor 72 senses this, and the control unit 84 determines that the filter cleaning unit 32 is in the brush foreign matter separation position (52) of the driving mechanism (50) so as to move toward the foreign object suctioning position (A) in the moving direction (C).

The filter cleaning unit 42 rotates the filter 44 while the brush 44 returns to the foreign matter suction position A from the brush foreign matter separation position C shown in Fig. The protruding portion 32A formed on the filter frame 32 and the protruding portion 38A formed on the filter 38 are removed from the foreign material space 46 by the brush 44 So that residual foreign matter remaining in the brush 44 is removed from the brush 44 and moved to the foreign matter space 46.

On the other hand, when the filter cleaning unit 42 reaches the foreign object suctioning position A, the first position detecting sensor 70 senses this, and the control unit 84 stops the reverse driving of the driving motor 52, The cleaning blower 62 of the suction mechanism 60 is operated.

When the filter cleaning unit 42 reaches the foreign object suctioning position A, the filter cleaning unit 42 communicates the cleaning unit communication portion 49 with the suction mechanism communication portion 36, Is connected to the suction passage which is connected to the suction mechanism communication portion 36, the suction hose 66, the foreign matter storage box 64, and the cleaning blower 62.

When the cleaning blower 62 is operated with the filter cleaning unit 42 communicated with the suction mechanism communication portion 36 as described above, the foreign matter collected in the foreign matter space 46 of the filter cleaning unit 42 is sucked The foreign matter and the air are separated from the foreign matter storage box 64 so that the foreign matter remains in the lower portion of the foreign matter storage box 64 and the air Is blown to the cleaning blower (62).

1 is a perspective view of an air conditioner according to the present invention,

Fig. 2 is a perspective view when the base panel is separated from the case in Fig. 1,

Fig. 3 is a bottom view in which the base panel is separated from the case in Fig. 1,

Fig. 4 is an enlarged perspective view of the filter frame shown in Fig. 3,

Fig. 5 is an exploded perspective view in which the filter is separated from the filter frame shown in Fig. 4,

6 is a sectional view taken along the line B-B shown in Fig. 4,

Fig. 7 is an enlarged perspective view of the filter cleaning unit shown in Fig. 4 when it reaches C shown in Fig. 4,

8 is a control block diagram of an air conditioner according to the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

  1: blower 2: case

6: air inlet port 8: air outlet port

10: base panel 22: air intake part

24: air discharging portion 30: purifying mechanism

32: filter frame 36: suction mechanism communicating part

38: filter 39: foreign matter separation means

39A: foreign matter hair part 39B: connection part

42: Filter purification unit 44: Brush

46: foreign matter space 50: driving mechanism

52: drive motor 60: suction device

62: Cleaning blower 64: Dust collector

66: suction hose 84:

Claims (5)

delete A filter frame installed in the air suction part of the air conditioner; A filter installed in the filter frame to filter foreign substances in the air sucked into the air suction unit; A filter cleaning unit installed to move along the filter and provided with a brush for cleaning a foreign substance of the filter and having a foreign matter space in which the foreign matter cleaned in the filter is contained; A driving mechanism connected to the filter cleaning unit to move the filter cleaning unit; A suction mechanism provided to exert a suction force on the filter cleaning unit when the filter cleaning unit is moved and positioned at a foreign matter suction position; And brush foreign matter separating means for contacting the brush when the filter cleaning unit is moved and positioned opposite the foreign matter suctioning position to drop foreign matter of the brush into the foreign matter space, Wherein the filter frame is formed in a rectangular shape, and a suction mechanism communication portion through which the suction mechanism is communicated is formed on one side in the longitudinal direction, And the brush foreign material separating means is provided on the opposite side of the suction mechanism communication portion. 3. The method of claim 2, Wherein the brush is arranged long in a direction orthogonal to the moving direction of the filter cleaning unit, Wherein the foreign matter hulling means comprises a plurality of hairy portions elongated in the moving direction of the filter cleaning unit.  The method of claim 3, Wherein the foreign matter hulling means comprises a connecting portion formed to be elongated in a direction orthogonal to the moving direction of the filter cleaning unit and having a plurality of protruding hairs separated from each other. 5. The method according to any one of claims 2 to 4, Wherein at least one of the filter frame and the filter is provided with a protruding portion protruding so as to shake the foreign substance of the brush.

Images